#!/bin/bash

# careful! only root can mkdir
if [ ! -d /var/log/history ]; then
	mkdir /var/log/history
	chmod 777 /var/log/history
fi

USER=`whoami`
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]; then
	USER_IP=`hostname`
fi
if [ ! -d /var/log/history/${LOGNAME} ]; then
	mkdir /var/log/history/${LOGNAME}
	chmod 300 /var/log/history/${LOGNAME}
fi

export HISTSIZE=4096
DT=`date +"%Y%m%d_%H:%M:%S"`
export HISTFILE="/var/log/history/${LOGNAME}/${USER}@${USER_IP}_${DT}"
chmod 600 /var/log/history/${LOGNAME}/*history* 2>/dev/null

#用户名字体颜色
export PS1='\[\e[36;47m\][\u@\H \W]\$\e[m'